delaware attorney general beau biden, son of vice president joe biden. and daniel webster. he's the director of the johns hopkins center for gun policy and research. welcome to you. >> thank you. >> let me start with you, if i may, mr. mayor. you're a mayor of a major american city. a violent city. like many of the big cities in america. from what you understand of what the president will be revealing tomorrow as wa he wants to push forward with, is that enough? >> it is a fantastic start, piers. and the problem is we haven't done enough in the past. first and foremost, president obama and certainly the work of vice president biden needs to be commended. this will not be easy. we all know that. and so for all those, if there are going to be those voices already saying is it enough, how about joining the fight to make sure that we're successful? and then we'll keep pushing forward. >> police commissioner ramsey, there are two issues here, it seems to me, in terms of the type of violence. you have the predominantly handgun violence of criminals and gangs. and then you have th